feat: display system metadata (#7)

Co-authored-by: Carson Moore <[email protected]>
Co-authored-by: Cameron Waterman <[email protected]>

src/datasources/system/SystemDataSource.ts

@@ -6,11 +6,14 @@ import {
   MutableDataFrame,
   FieldType,
   CoreApp,
+  toDataFrame,
 } from '@grafana/data';
 
 import { TestingStatus, getBackendSrv } from '@grafana/runtime';
 
-import { QueryType, SystemQuery, SystemSummary } from './types';
+import { QueryType, SystemMetadata, SystemQuery, SystemSummary } from './types';
+import { defaultProjection } from './constants';
+import { NetworkUtils } from './network-utils';
 
 export class SystemDataSource extends DataSourceApi<SystemQuery> {
   baseUrl: string;
@@ -19,6 +22,24 @@ export class SystemDataSource extends DataSourceApi<SystemQuery> {
     this.baseUrl = this.instanceSettings.url + '/nisysmgmt/v1';
   }
 
+  transformProjection(projections: string[]): string { 
+    let result = "new(";
+
+    projections.forEach(function (field) {
+      if (field === "workspace") {
+        result = result.concat(field, ")");
+      } else {
+        result = result.concat(field, ", ");
+      }
+    });
+
+    return result;
+  }
+
+  private getIpAddress(ip4Interface: Record<string, string[]>, ip6Interface: Record<string, string[]>): string | null {
+    return NetworkUtils.getIpAddressFromInterfaces(ip4Interface) || NetworkUtils.getIpAddressFromInterfaces(ip6Interface);
+  }
+
   async query(options: DataQueryRequest<SystemQuery>): Promise<DataQueryResponse> {
     // Return a constant for each query.
     const data = await Promise.all(options.targets.map(async (target) => {
@@ -32,7 +53,22 @@ export class SystemDataSource extends DataSourceApi<SystemQuery> {
           ],
         });
       } else {
-        throw Error("Not implemented");
+        let metadataResponse = await getBackendSrv().post<{ data: SystemMetadata[] }>(this.baseUrl + '/query-systems', { projection: this.transformProjection(defaultProjection) });
+
+        return toDataFrame({
+          fields: [
+            { name: 'id', values: metadataResponse.data.map(m => m.id)},
+            { name: 'alias', values: metadataResponse.data.map(m => m.alias)},
+            { name: 'connection status', values: metadataResponse.data.map(m => m.state)},
+            { name: 'locked status', values: metadataResponse.data.map(m => m.locked)},
+            { name: 'system start time', values: metadataResponse.data.map(m => m.systemStartTime)},
+            { name: 'model', values: metadataResponse.data.map(m => m.model)},
+            { name: 'vendor', values: metadataResponse.data.map(m => m.vendor)},
+            { name: 'operating system', values: metadataResponse.data.map(m => m.osFullName)},
+            { name: 'ip address', values: metadataResponse.data.map(m => this.getIpAddress(m.ip4Interfaces, m.ip6Interfaces))},
+            { name: 'workspace', values: metadataResponse.data.map(m => m.workspace)},
+          ]
+        });
       }
     }));
 

src/datasources/system/components/SystemQueryEditor.tsx

@@ -7,11 +7,6 @@ import { enumToOptions } from 'core/utils';
 
 type Props = QueryEditorProps<SystemDataSource, SystemQuery>;
 
-// const QUERY_TYPES = [
-//   {label: "Metadata", value: QueryType.Metadata},
-//   {label: "Summary", value: QueryType.Summary}
-// ]
-
 export function SystemQueryEditor({ query, onChange, onRunQuery }: Props) {
   const onQueryTypeChange = (value: QueryType) => {
     onChange({ ...query, queryKind: value })

src/datasources/system/constants.ts

@@ -0,0 +1,14 @@
+// constants.ts
+export const defaultProjection = [
+    'id',
+    'alias',
+    'connected.data.state',
+    'grains.data.minion_blackout as locked',
+    'grains.data.boottime as systemStartTime',
+    'grains.data.productname as model',
+    'grains.data.manufacturer as vendor',
+    'grains.data.osfullname as osFullName',
+    'grains.data.ip4_interfaces as ip4Interfaces',
+    'grains.data.ip6_interfaces as ip6Interfaces',
+    'workspace'
+  ]

src/datasources/system/network-utils.ts

@@ -0,0 +1,67 @@
+/**
+ * Utility functions for parsing IP, MAC addresses, identify IP and hostname
+ */
+export class NetworkUtils {
+    static getIpAddressFromInterfaces(ipInterfaces: { [key: string]: string[] }): string | null {
+        if (ipInterfaces) {
+            const firstConnectedInterface = NetworkUtils.getFirstConnectedInterface(ipInterfaces);
+            if (firstConnectedInterface) {
+                return firstConnectedInterface.address;
+            }
+        }
+
+        return null;
+    }
+
+    static getFirstConnectedInterface(ipInterfaces: { [key: string]: string[] }): { name: string, address: string } | null {
+        for (const ipInterfaceName in ipInterfaces) {
+            if (!ipInterfaceName) {
+                continue;
+            }
+            const ipInterfaceAddresses = ipInterfaces[ipInterfaceName];
+            if (ipInterfaceName !== 'lo' && this.isInterfaceConnected(ipInterfaceAddresses)) {
+                return {
+                    name: ipInterfaceName,
+                    address: ipInterfaceAddresses[0]
+                };
+            }
+        }
+
+        return null;
+    }
+
+    static getMacAddressFromInterfaceName(ipInterfaceName: string, hwaddrInterfaces: { [key: string]: string }): string | null {
+        if (!hwaddrInterfaces) {
+            return null;
+        }
+        return hwaddrInterfaces[ipInterfaceName] || null;
+    }
+
+    static isValidIp(hostnameOrIpAddress: string): boolean {
+        const validIpAddressRegex = /^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$/;
+        return validIpAddressRegex.test(hostnameOrIpAddress);
+    }
+
+    static isValidHostname(hostnameOrIpAddress: string): boolean {
+        const validHostnameRegex = /^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9-]*[A-Za-z0-9])$/;
+        return validHostnameRegex.test(hostnameOrIpAddress);
+    }
+
+    private static isInterfaceConnected(ipInterfaceAddresses: string[]): boolean {
+        if (!ipInterfaceAddresses || ipInterfaceAddresses.length === 0) {
+            return false;
+        }
+        if (ipInterfaceAddresses.length > 1) {
+            return true;
+        }
+
+        const ipInterfaceAddress = ipInterfaceAddresses[0];
+        if (ipInterfaceAddress === '0.0.0.0' || ipInterfaceAddress === '::') {
+            // https://tools.ietf.org/html/rfc3513#section-2.5.2
+            // These addresses are used as non-routable meta-addresses
+            // to designate an invalid, unknown, or non-applicable address.
+            return false;
+        }
+        return true;
+    }
+}

src/datasources/system/types.ts

@@ -13,3 +13,17 @@ export interface SystemSummary {
   connectedCount: number,
   disconnectedCount: number
 }
+
+export interface SystemMetadata {
+  id: string,
+  alias: string,
+  state: string,
+  locked: string,
+  systemStartTime: string,
+  model: string,
+  vendor: string,
+  osFullName: string,
+  ip4Interfaces: Record<string, string[]>,
+  ip6Interfaces: Record<string, string[]>,
+  workspace: string
+}